Trailer fund loan refers to the mortgage of trailer funds to banks as collateral, and then apply for loans. Repayment must be within the specified time and cannot be overdue. If the loan is not paid, the mortgaged trailer funds will be taken away.
Semi-trailer refers to a trailer whose axle is placed behind the center of gravity of the vehicle (when the vehicle is uniformly loaded) and equipped with a coupling device that can transmit horizontal or vertical force to the tractor. Generally, a full trailer has two axles and a semi-trailer has one axle. Semi-trailer refers to a vehicle driven by a main vehicle with the same load without power.